/*
 * Copyright (C) 2025 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.settings.accessibility.hearingdevices.data

import android.content.Context
import android.media.AudioManager
import com.android.settingslib.datastore.KeyValueStoreDelegate
import com.android.settingslib.datastore.SettingsStore
import com.android.settingslib.datastore.SettingsSystemStore

class HearingAidCompatibilityDataStore(
    private val context: Context,
    private val settingsStore: SettingsStore = SettingsSystemStore.get(context),
    private var audioManager: AudioManager = context.getSystemService(AudioManager::class.java)!!,
) : KeyValueStoreDelegate {

    override val keyValueStoreDelegate
        get() = settingsStore

    override fun <T : Any> setValue(key: String, valueType: Class<T>, value: T?) {
        super.setValue(key, valueType, value)
        setAudioParameterHacEnabled((value as Boolean?) ?: false)
    }

    private fun setAudioParameterHacEnabled(enabled: Boolean) {
        val value = if (enabled) HAC_VAL_ON else HAC_VAL_OFF
        audioManager.setParameters("$HAC_KEY=$value;")
    }

    companion object {
        const val HAC_KEY: String = "HACSetting"
        const val HAC_VAL_ON: String = "ON"
        const val HAC_VAL_OFF: String = "OFF"
    }
}